Equipment: Apple 12
System: ios 14.2
1. First unlock the Apple phone, open the desktop, and click the "Settings" button.
2. Slide up in the setting interface, find the "Battery" button, and click Enter.
3. Enter the "Battery" setting page and click the "Battery Health" button in the middle of the screen.
4. Finally, enter the "Battery Health" interface to check the "maximum capacity" of your mobile phone.